您的用户将必须通过正常身份验证

Your user will have to go through the normal authentication process that they did when they first installed the application.

在此过程中，Facebook会检测到应用程序已经安装并刷新访问令牌。

During this process, Facebook will detect that the application has already been installed and refresh the access token.

所以，直接回答你的问题：是，你会收到一个新的访问令牌。

So, to directly answer your question: yes, you will receive a new access token.